PT-2021-23531 · Trend Micro · Trend Micro Worry-Free Business Security 10.0 Sp1+3

Izobashi + 1 · Published 2021-10-19 · Updated 2021-10-27 · CVE-2021-42105

Positive Technologies (AI Summary)

CVSS v3.1

7.8

High

Base vector

AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

Name of the Vulnerable Software and Affected Versions Trend Micro Apex One (affected versions not specified) Trend Micro Apex One as a Service (affected versions not specified) Trend Micro Worry-Free Business Security 10.0 SP1 (affected versions not specified) Trend Micro Worry-Free Business Security Services (affected versions not specified)

Description The issue allows a local attacker to escalate privileges on affected installations, given that the attacker can first execute low-privileged code on the target system.

Recommendations For Trend Micro Apex One, update to a version that includes a fix for the unnecessary privilege vulnerabilities. For Trend Micro Apex One as a Service, update to a version that includes a fix for the unnecessary privilege vulnerabilities. For Trend Micro Worry-Free Business Security 10.0 SP1, update to a version that includes a fix for the unnecessary privilege vulnerabilities. For Trend Micro Worry-Free Business Security Services, update to a version that includes a fix for the unnecessary privilege vulnerabilities.

Fix

Improper Privilege Management

Weakness Enumeration

CWE-269

Related Identifiers

CVE-2021-42105

ZDI-21-1215

Affected Products

Trend Micro Apex One

Trend Micro Apex One As A Service

Trend Micro Worry-Free Business Security 10.0 Sp1

Trend Micro Worry-Free Business Security Services

References · 5

• https://zerodayinitiative.com/advisories/ZDI-21-1215 · Security Note
• https://nvd.nist.gov/vuln/detail/CVE-2021-42105 · Security Note
• https://osv.dev/vulnerability/CVE-2021-42105 · Vendor Advisory
• https://success.trendmicro.com/solution/000289229 · Vendor Advisory
• https://success.trendmicro.com/solution/000289230 · Vendor Advisory